diff options
| author | Niels Provos <provos@cvs.openbsd.org> | 1998-04-26 21:03:19 +0000 |
|---|---|---|
| committer | Niels Provos <provos@cvs.openbsd.org> | 1998-04-26 21:03:19 +0000 |
| commit | 74d8ccd39b9fa27c65fe29abc88e61deea50b102 (patch) | |
| tree | ad8b9504a859efe3f96a8cc68f4c3e76f16886a0 /sys/arch/i386 | |
| parent | db97ee572f05c64c35bd40855c1b415a3b4f08ab (diff) | |
update audio from NetBSD, mostly by Lennart Augustsson <augustss@cs.chalmers.se>
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/conf/files.i386 | 5 | ||||
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 24 |
2 files changed, 26 insertions, 3 deletions
diff --git a/sys/arch/i386/conf/files.i386 b/sys/arch/i386/conf/files.i386 index 31a2caa0336..8fc49f6e4be 100644 --- a/sys/arch/i386/conf/files.i386 +++ b/sys/arch/i386/conf/files.i386 @@ -1,4 +1,4 @@ -# $OpenBSD: files.i386,v 1.39 1998/01/06 02:35:19 deraadt Exp $ +# $OpenBSD: files.i386,v 1.40 1998/04/26 21:03:14 provos Exp $ # $NetBSD: files.i386,v 1.73 1996/05/07 00:58:36 thorpej Exp $ # # new style config file for i386 architecture @@ -231,6 +231,9 @@ include "../../../compat/bsdos/files.bsdos" include "../../../compat/freebsd/files.freebsd" file arch/i386/i386/freebsd_machdep.c compat_freebsd +# OSS audio driver compatibility +include "compat/ossaudio/files.ossaudio" + device bios {} attach bios at mainbus file arch/i386/i386/bios.c bios needs-count diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index 9b5699e9c3e..2cda7503f22 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.85 1998/04/25 20:31:27 mickey Exp $ */ +/* $OpenBSD: machdep.c,v 1.86 1998/04/26 21:03:15 provos Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -2504,8 +2504,28 @@ _bus_dmamem_mmap(t, segs, nsegs, off, prot, flags) bus_dma_segment_t *segs; int nsegs, off, prot, flags; { + int i; + + for (i = 0; i < nsegs; i++) { +#ifdef DIAGNOSTIC + if (off & PGOFSET) + panic("_bus_dmamem_mmap: offset unaligned"); + if (segs[i].ds_addr & PGOFSET) + panic("_bus_dmamem_mmap: segment unaligned"); + if (segs[i].ds_len & PGOFSET) + panic("_bus_dmamem_mmap: segment size not multiple" + " of page size"); +#endif + if (off >= segs[i].ds_len) { + off -= segs[i].ds_len; + continue; + } + + return (i386_btop((caddr_t)segs[i].ds_addr + off)); + } - panic("_bus_dmamem_mmap: not implemented"); + /* Page not found. */ + return (-1); } /********************************************************************** |